Table 1. Demographic data.

Data are shown as number of patients with corresponding percentage, or mean ± SD.IC: patients intubated by Intensive Care (IC) Physicians, ED: Patients intubated by Emergency Department (ED) physicians, BMI: body mass index (BMI).

	IC	ED	p value
N	94	107
Age (years)	66.1 ± 16.4	64.5 ± 17.3	0.495
Male (n/%)	93 (98.9%)	104 (97.2%)	0.378
BMI (kg/m2)	28.4 ± 9.1	28.4 ± 8.0	0.986
Known upper airway disease (n/%)	0 (0%)	2 (1.9%)	0.183
Presence of difficult airway (n/%)	12 (12.8%)	20 (18.7%)	0.252